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Plenty of suppressors will run .300 Blackout. The AAC 300-SD was designed for it from the ground up. Instead of taking a general-purpose .30 cal can and calling it good enough, AAC tuned the internal baffle geometry specifically around the pressure curve of subsonic 300 BLK loads. The result is a can that squeezes every last decibel out of the round the cartridge was born to shoot suppressed. And when you want to load up supers, it handles those too, along with limited .308 use.
The two-piece modular layout is where the 300-SD earns its keep. Run the full 8-inch configuration when sound suppression is the priority, like calling coyotes at night or keeping a home defense SBR hearing safe. When you need a shorter, handier package, pull the front module and you're down to 5.43 inches and a feathery 5 ounces. Even at full length it only weighs 12.2 ounces, thanks to the 3D-printed titanium construction. That's light enough that it won't turn your trim 300 BLK pistol into a nose-heavy chore.
AAC kept the mounting situation simple and flexible. The rear of the can uses the industry-standard 1.375×24 HUB interface, so you can drop in whatever mount your other hosts already use. Out of the box it comes with a direct thread HUB mount and an AAC Blackout 1x16LH flash hider, so you're set up and ready from day one. The 1.60-inch diameter keeps a slim profile over most handguards, and the black finish matches just about any build.
If you've got a 300 Blackout SBR, pistol, or bolt gun and quiet is the whole point, this is the kind of purpose-built can that makes the cartridge shine. It's a fitting piece from the company that created 300 BLK in the first place.
Yes. While the baffle design is tuned specifically for subsonic 300 BLK, the 300-SD is fully rated for supersonic 300 Blackout loads and even limited .308 use. So you can run supers for hunting or range work without worrying about it, then switch back to subs when quiet matters most.
The 300-SD is a two-piece can. Run it at the full 8 inches and 12.2 ounces when you want maximum sound reduction, or remove the front section for a 5.43-inch, 5-ounce package that keeps a short-barreled build compact and quick handling. It's a nice way to get two different suppressors out of one tax stamp.
Most likely, yes. The rear of the suppressor uses the industry-standard 1.375×24 HUB interface, which is compatible with a huge range of mounting systems from various manufacturers. It also ships with a 1x16LH direct thread HUB mount and a matching AAC flash hider, so it's ready to go right out of the box.
That's exactly the kind of host it was built for. Short-barreled 300 Blackout guns shooting subsonic ammo are where this can shines, since the baffles were designed around that pressure signature. The titanium construction keeps weight low, so it won't throw off the balance of a compact build the way heavier steel cans do.
| UPC | 810141223066 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | SR-103207 |
| Caliber/Gauge | .300 AAC Blackout |
| Color | Black |
| Model | |
| Product Type | Suppressor |
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